Examples with Settings org.elasticsearch.common.settings.Settings used on opensource projects

Example 76 with Settings

use of org.elasticsearch.common.settings.Settings in project elasticsearch by elastic.

the class SettingsUpdater method updateSettings.

synchronized ClusterState updateSettings(final ClusterState currentState, Settings transientToApply, Settings persistentToApply) {
    boolean changed = false;
    Settings.Builder transientSettings = Settings.builder();
    transientSettings.put(currentState.metaData().transientSettings());
    changed |= clusterSettings.updateDynamicSettings(transientToApply, transientSettings, transientUpdates, "transient");
    Settings.Builder persistentSettings = Settings.builder();
    persistentSettings.put(currentState.metaData().persistentSettings());
    changed |= clusterSettings.updateDynamicSettings(persistentToApply, persistentSettings, persistentUpdates, "persistent");
    if (!changed) {
        return currentState;
    }
    MetaData.Builder metaData = MetaData.builder(currentState.metaData()).persistentSettings(persistentSettings.build()).transientSettings(transientSettings.build());
    ClusterBlocks.Builder blocks = ClusterBlocks.builder().blocks(currentState.blocks());
    boolean updatedReadOnly = MetaData.SETTING_READ_ONLY_SETTING.get(metaData.persistentSettings()) || MetaData.SETTING_READ_ONLY_SETTING.get(metaData.transientSettings());
    if (updatedReadOnly) {
        blocks.addGlobalBlock(MetaData.CLUSTER_READ_ONLY_BLOCK);
    } else {
        blocks.removeGlobalBlock(MetaData.CLUSTER_READ_ONLY_BLOCK);
    }
    ClusterState build = builder(currentState).metaData(metaData).blocks(blocks).build();
    Settings settings = build.metaData().settings();
    // now we try to apply things and if they are invalid we fail
    // this dryRun will validate & parse settings but won't actually apply them.
    clusterSettings.validateUpdate(settings);
    return build;
}

Example 77 with Settings

use of org.elasticsearch.common.settings.Settings in project elasticsearch by elastic.

the class EnableAllocationDecider method canRebalance.

@Override
public Decision canRebalance(ShardRouting shardRouting, RoutingAllocation allocation) {
    if (allocation.ignoreDisable()) {
        return allocation.decision(Decision.YES, NAME, "allocation is explicitly ignoring any disabling of relocation");
    }
    Settings indexSettings = allocation.metaData().getIndexSafe(shardRouting.index()).getSettings();
    final Rebalance enable;
    final boolean usedIndexSetting;
    if (INDEX_ROUTING_REBALANCE_ENABLE_SETTING.exists(indexSettings)) {
        enable = INDEX_ROUTING_REBALANCE_ENABLE_SETTING.get(indexSettings);
        usedIndexSetting = true;
    } else {
        enable = this.enableRebalance;
        usedIndexSetting = false;
    }
    switch(enable) {
        case ALL:
            return allocation.decision(Decision.YES, NAME, "all rebalancing is allowed");
        case NONE:
            return allocation.decision(Decision.NO, NAME, "no rebalancing is allowed due to %s", setting(enable, usedIndexSetting));
        case PRIMARIES:
            if (shardRouting.primary()) {
                return allocation.decision(Decision.YES, NAME, "primary rebalancing is allowed");
            } else {
                return allocation.decision(Decision.NO, NAME, "replica rebalancing is forbidden due to %s", setting(enable, usedIndexSetting));
            }
        case REPLICAS:
            if (shardRouting.primary() == false) {
                return allocation.decision(Decision.YES, NAME, "replica rebalancing is allowed");
            } else {
                return allocation.decision(Decision.NO, NAME, "primary rebalancing is forbidden due to %s", setting(enable, usedIndexSetting));
            }
        default:
            throw new IllegalStateException("Unknown rebalance option");
    }
}

Example 78 with Settings

use of org.elasticsearch.common.settings.Settings in project elasticsearch by elastic.

the class RestUpdateSettingsAction method prepareRequest.

@Override
public RestChannelConsumer prepareRequest(final RestRequest request, final NodeClient client) throws IOException {
    UpdateSettingsRequest updateSettingsRequest = updateSettingsRequest(Strings.splitStringByCommaToArray(request.param("index")));
    updateSettingsRequest.timeout(request.paramAsTime("timeout", updateSettingsRequest.timeout()));
    updateSettingsRequest.setPreserveExisting(request.paramAsBoolean("preserve_existing", updateSettingsRequest.isPreserveExisting()));
    updateSettingsRequest.masterNodeTimeout(request.paramAsTime("master_timeout", updateSettingsRequest.masterNodeTimeout()));
    updateSettingsRequest.indicesOptions(IndicesOptions.fromRequest(request, updateSettingsRequest.indicesOptions()));
    Map<String, Object> settings = new HashMap<>();
    if (request.hasContent()) {
        try (XContentParser parser = request.contentParser()) {
            Map<String, Object> bodySettings = parser.map();
            Object innerBodySettings = bodySettings.get("settings");
            // clean up in case the body is wrapped with "settings" : { ... }
            if (innerBodySettings instanceof Map) {
                @SuppressWarnings("unchecked") Map<String, Object> innerBodySettingsMap = (Map<String, Object>) innerBodySettings;
                settings.putAll(innerBodySettingsMap);
            } else {
                settings.putAll(bodySettings);
            }
        }
    }
    updateSettingsRequest.settings(settings);
    return channel -> client.admin().indices().updateSettings(updateSettingsRequest, new AcknowledgedRestListener<>(channel));
}

Example 79 with Settings

use of org.elasticsearch.common.settings.Settings in project elasticsearch by elastic.

the class RestGetSettingsAction method prepareRequest.

@Override
public RestChannelConsumer prepareRequest(final RestRequest request, final NodeClient client) throws IOException {
    final String[] names = request.paramAsStringArrayOrEmptyIfAll("name");
    final boolean renderDefaults = request.paramAsBoolean("include_defaults", false);
    GetSettingsRequest getSettingsRequest = new GetSettingsRequest().indices(Strings.splitStringByCommaToArray(request.param("index"))).indicesOptions(IndicesOptions.fromRequest(request, IndicesOptions.strictExpandOpen())).humanReadable(request.hasParam("human")).names(names);
    getSettingsRequest.local(request.paramAsBoolean("local", getSettingsRequest.local()));
    return channel -> client.admin().indices().getSettings(getSettingsRequest, new RestBuilderListener<GetSettingsResponse>(channel) {

        @Override
        public RestResponse buildResponse(GetSettingsResponse getSettingsResponse, XContentBuilder builder) throws Exception {
            builder.startObject();
            for (ObjectObjectCursor<String, Settings> cursor : getSettingsResponse.getIndexToSettings()) {
                if (cursor.value.isEmpty()) {
                    continue;
                }
                builder.startObject(cursor.key);
                builder.startObject("settings");
                cursor.value.toXContent(builder, request);
                builder.endObject();
                if (renderDefaults) {
                    builder.startObject("defaults");
                    settingsFilter.filter(indexScopedSettings.diff(cursor.value, settings)).toXContent(builder, request);
                    builder.endObject();
                }
                builder.endObject();
            }
            builder.endObject();
            return new BytesRestResponse(OK, builder);
        }
    });
}

Example 80 with Settings

use of org.elasticsearch.common.settings.Settings in project elasticsearch by elastic.

the class RestNodesInfoAction method prepareRequest.

@Override
public RestChannelConsumer prepareRequest(final RestRequest request, final NodeClient client) throws IOException {
    String[] nodeIds;
    Set<String> metrics;
    // this means one must differentiate between allowed metrics and arbitrary node ids in the same place
    if (request.hasParam("nodeId") && !request.hasParam("metrics")) {
        Set<String> metricsOrNodeIds = Strings.splitStringByCommaToSet(request.param("nodeId", "_all"));
        boolean isMetricsOnly = ALLOWED_METRICS.containsAll(metricsOrNodeIds);
        if (isMetricsOnly) {
            nodeIds = new String[] { "_all" };
            metrics = metricsOrNodeIds;
        } else {
            nodeIds = metricsOrNodeIds.toArray(new String[] {});
            metrics = Sets.newHashSet("_all");
        }
    } else {
        nodeIds = Strings.splitStringByCommaToArray(request.param("nodeId", "_all"));
        metrics = Strings.splitStringByCommaToSet(request.param("metrics", "_all"));
    }
    final NodesInfoRequest nodesInfoRequest = new NodesInfoRequest(nodeIds);
    nodesInfoRequest.timeout(request.param("timeout"));
    // shortcut, don't do checks if only all is specified
    if (metrics.size() == 1 && metrics.contains("_all")) {
        nodesInfoRequest.all();
    } else {
        nodesInfoRequest.clear();
        nodesInfoRequest.settings(metrics.contains("settings"));
        nodesInfoRequest.os(metrics.contains("os"));
        nodesInfoRequest.process(metrics.contains("process"));
        nodesInfoRequest.jvm(metrics.contains("jvm"));
        nodesInfoRequest.threadPool(metrics.contains("thread_pool"));
        nodesInfoRequest.transport(metrics.contains("transport"));
        nodesInfoRequest.http(metrics.contains("http"));
        nodesInfoRequest.plugins(metrics.contains("plugins"));
        nodesInfoRequest.ingest(metrics.contains("ingest"));
        nodesInfoRequest.indices(metrics.contains("indices"));
    }
    settingsFilter.addFilterSettingParams(request);
    return channel -> client.admin().cluster().nodesInfo(nodesInfoRequest, new NodesResponseRestListener<>(channel));
}